Seiko Cal. 4521 - 490

The Seiko 4521-490 represents an important milestone in Seiko's 1973 lineup. Powered by the 4521 caliber with 29j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-328d292440d8]

Also known as: Arnie

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1973

Related Models

• Seiko 4545-142
• Seiko 6313-224
• Seiko 6194-286
• Seiko 6310-759
• Seiko 4437-940
• Seiko 6220-657
• Seiko 4558-596
• Seiko 3887-802
• Seiko 6135-414
• Seiko 6327-247
• Seiko 3861-907
• Seiko 6684-816